2025-03-31 05:39:54
精选答案
是指将大母数分解为若干个较小的因数的方式来进行因式分解的一种方法，比如分解42：
1. 可以先分解因数2，42÷2=212.21可以拆分为3×7，所以最后结果就是42=2×3×7
2025-03-31 05:39:54
其他答案
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